New Digital Wideband UEGO air fuel ratio Controller Gauge

By Andre Simon

AEM have just released their new digital Wideband UEGO air fuel ratio Controller Gauge (30-4110), using the Bosch LSU 4.9 sensor. This new controller supersedes their existing 30-4100 unit which relied on the Bosch LSU 4.2 sensor.

The Bosch LSU 4.9 sensor has a faster light off time compared to the LSU 4.2 and also draws less current. In use, the Bosch LSU 4.9 sensor also shows a longer service life compared to the 4.2, and when used with the AEM UEGO controller they don't require free air calibration.

The Controller Gauge features an LED display and a sweeping LED needle that changes colour as the AFR changes to easily identify your AFR at a glance. With a 52 mm (2-1/16”) fitment, the gauge fits in most gauge pods and can be remotely mounted. The Wideband UEGO Controller Gauge can be used as a standalone gauge for displaying AFR, or can be interfaced with an ECU or datalogger via an analogue voltage output. The analogue voltage output range is:

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About the author

Andre Simon

Andre is the technical founder of HPA and has around 17 years of experience in the tuning industry. He owned and ran an internationally renowned performance dyno tuning workshop in Wellington, New Zealand and has made his mark developing and tuning a number of high powered import drag cars, many of which set World Records.

Andre is passionate about the tuning industry as well as spreading his knowledge and has been training others for the last 7 years.